CN212276867U - Composite pipe cable of electric submersible pump - Google Patents
Composite pipe cable of electric submersible pump Download PDFInfo
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- CN212276867U CN212276867U CN202020766538.4U CN202020766538U CN212276867U CN 212276867 U CN212276867 U CN 212276867U CN 202020766538 U CN202020766538 U CN 202020766538U CN 212276867 U CN212276867 U CN 212276867U
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- isolation layer
- submersible pump
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- steel pipe
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Abstract
The utility model discloses an electric submersible pump composite pipe cable, which comprises a steel pipe shell and an isolation layer, wherein the isolation layer is wrapped on the outer peripheral surface of an ethylene-propylene sheath, the steel pipe shell is wrapped on the outer peripheral surface of the isolation layer, a plurality of signal cable assemblies and a plurality of injection pipes are arranged inside the isolation layer, and each signal cable assembly and each injection pipe are arranged in the inner center of the ethylene-propylene sheath and are arranged in a staggered manner; the design of steel pipe shell can provide the required pulling force of electric submersible pump, can effectual isolation simultaneously invade liquid, effectual solution corrodes the scheduling problem. The utility model discloses compact structure, corrosion resisting property is good.
Description
Technical Field
The utility model relates to an oil-submersible pump cable technical field especially relates to a compound pipe cable of electric submersible pump.
Background
The cable of the submersible pump is a special cable matched with the submersible pump unit and is generally applied to an oil well, the lower end of the cable is connected with the submersible pump, and the upper end of the cable is connected with a unit control cabinet on the ground. In addition, in the process of oil well operation, chemical injection agent can be filled into the well through the cable, the existing submersible pump cable is generally in a flat structure, the working condition in the oil well is severe, the existing submersible pump cable is often in an environment with high temperature, high pressure and strong corrosivity, meanwhile, the electric submersible pump can only be used by being matched on a coiled tubing, the length of the cable cannot be too long due to the problems in the aspects of bearing and the like, meanwhile, the outer skin is armored, the protection capability of the cable for externally immersing liquid is poor, and the problem of armor removal and the like is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electric submersible pump composite pipe cable, the extexine of solving prior art submersible pump cable is the armor, and the protective capacities of external immersion liquid is relatively poor, produces the problem of taking off the armor easily.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a compound pipe cable of electric submersible pump, including steel pipe shell and isolation layer, the isolation layer parcel is in on the outer peripheral face of EP-propylene sheath, steel pipe shell parcel is in on the outer peripheral face of isolation layer, the inside of isolation layer is provided with many signal cable assemblies and many notes agent pipes, each signal cable assembly and each notes agent pipe set up in the inside center and the staggered arrangement of EP-propylene sheath.
Further, the number of the signal cable assemblies and the number of the agent injection pipes are specifically set to be three and are arranged in a staggered manner; each signal cable assembly comprises an innermost conductor, a sintered film is arranged on the outer side of each conductor, an ethylene-propylene insulating layer is arranged on the outer side of each sintered film, an F4 film is arranged on the outer side of each ethylene-propylene insulating layer, and a nylon cloth layer is arranged on the outer side of each F4 film; the injection pipe comprises a first injection pipe and two second injection pipes, and the diameter of the first injection pipe is larger than that of the second injection pipe.
Further, the isolation layer is specifically set to be a nylon tape layer, a steel plate or a protective steel pipe.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses compound pipe cable of electric submersible pump wholly adopts circular structure, including steel pipe shell, steel band armor and isolation layer, makes the cable have higher intensity, and the inside three notes agent pipes that are provided with of pipe cable, wherein the first notes agent pipe that the cable internal diameter is great can annotate the annotating agent such as coolant, cleaner, antiseptic, is favorable to guaranteeing performance and the life of cable, and the second notes agent pipe that the diameter is less can annotate hydraulic oil, has improved space utilization efficiency in the well, is favorable to guaranteeing that hydraulic oil is stably supplied to, and has reduced the potential safety hazard; the steel pipe shell is added, the pulling force required by the electric submersible pump can be provided, meanwhile, the outer pipe can effectively isolate and invade liquid, meanwhile, the steel pipe materials are multiple, and the problems of corrosion and the like can be effectively solved.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a cross-sectional view of the composite pipe cable of the submersible pump of the present invention;
FIG. 2 is a first schematic view of the preparation process of the isolation layer of the present invention;
FIG. 3 is a schematic diagram of the preparation process of the isolation layer of the present invention;
FIG. 4 is a first schematic view of the manufacturing process of the composite pipe cable of the submersible pump of the present invention;
FIG. 5 is a schematic diagram of a second process for manufacturing the composite pipe cable of the submersible pump of the present invention;
FIG. 6 is a schematic view of the structure of the tightness adjusting device of the present invention;
FIG. 7 is a schematic axial view of the isolation layer of the present invention being a steel plate;
description of reference numerals: 1. a steel pipe shell; 2. an isolation layer; 3. an ethylene-propylene sheath; 4. a conductor; 5. sintering the film; 6. an ethylene-propylene insulating layer; 7. f4 film; 8. a nylon cloth layer; 9. a first injection pipe; 10. a second injection pipe; 11. a tightness adjusting device; 12. a pay-off rack; 13. wrapping a machine; 14. a first take-up stand; 15. armoring machines; 16. a tractor; 17. a first steel belt placing frame; 18. steel pipe preliminary forming equipment; 19. laser welding equipment; 20. nondestructive inspection equipment; 21. a drawing device; 22. a second take-up stand; 23. a second steel belt placing frame; 24. a first fixed sliding roller; 25. a regulating roller; 26. a second fixed sliding roller; 27. a guide piece.
Detailed Description
As shown in fig. 1, the electric submersible pump composite pipe cable comprises a steel pipe shell 1 and an isolation layer 2, wherein the isolation layer 2 is wrapped on the outer peripheral surface of an ethylene-propylene sheath 3, the steel pipe shell 1 is wrapped on the outer peripheral surface of the isolation layer 2, a plurality of signal cable assemblies and a plurality of injection pipes are arranged inside the isolation layer 2, and the signal cable assemblies and the injection pipes are arranged in the center inside the ethylene-propylene sheath 3 and are arranged in a staggered mode. Specifically, the steel pipe shell 1 is made of 2205 stainless steel, and the steel pipe shell is a 2205 stainless steel continuous long pipe with an outer diameter of 44.5mm and a wall thickness of 4 mm.
Specifically, the number of the signal cable assemblies and the number of the agent injection pipes are specifically three and are arranged in a staggered manner; each signal cable assembly comprises an innermost conductor 4, a sintered film 5 is arranged on the outer side of each conductor 4, an ethylene-propylene insulating layer 6 is arranged on the outer side of each sintered film 5, an F4 film 7 is arranged on the outer side of each ethylene-propylene insulating layer 6, and a nylon cloth layer 8 is arranged on the outer side of each F4 film 7; the injection tube comprises a first injection tube 9 and two second injection tubes 10, and the diameter of the first injection tube 9 is larger than that of the second injection tube 10. Specifically, the conductor 4 is specifically provided as a bare copper conductor, and the sintered film is specifically provided as a polyimide F46 film. The first injection pipe and the second injection pipe are made of 825 alloy, wherein the first injection pipe 9 is a capillary tube with the outer diameter of 9.525mm and the wall thickness of 1.245mm and is used for injecting coolants, cleaning agents, preservatives and the like, and the second injection pipe 10 is a capillary tube with the outer diameter of 6.35mm and the wall thickness of 1.245mm and is used for injecting hydraulic oil so as to facilitate hydraulic control of the submersible pump.
Specifically, the isolation layer 2 is specifically set as a nylon tape layer, a steel plate or a protective steel pipe. 2205 stainless steel can be used as the steel plate or the protective steel pipe. The setting of isolation layer has further strengthened the intensity of compound tube and cable, prolongs its life. The thickness of the isolation layer 2 made of the nylon belt layer is 0.15-0.20 mm, 0.18mm is preferably selected, the size and the thickness of the steel plate as the isolation layer are 1-2 mm, and the thickness of the protection steel pipe as the isolation layer is 1-2 mm.
As shown in fig. 2 to 5, a method for manufacturing the electric submersible pump composite pipe cable specifically includes the following steps:
step one, manufacturing an isolation layer 2: the outermost layer of the cable of the electric submersible pump in the initial state is an ethylene-propylene sheath 3, a plurality of signal cable assemblies and a plurality of injection pipes are arranged inside the steel tape armor layer 2, and the isolation layer 2 is arranged on the outer peripheral surface of the ethylene-propylene sheath 3 through corresponding processing equipment;
step two, machining and forming the steel pipe shell 1: will be used for production the coil of strip raw materials of steel pipe shell 1 is placed on first steel band rack 17, has wrapped up in step one 2 reserve cables of isolation layer are placed on pay off rack 12, and the initiating terminal of coil of strip raw materials passes through preliminary former 18 of steel pipe, pay off rack 12, laser welding equipment 19, nondestructive inspection equipment 20, drawing equipment 21, 16 postprocessing complete sets of tractors and establishes in proper order last steel pipe shell 1 of reserve cable, and finally, the compound pipe cable of finished product electric submersible pump that has steel pipe shell 1 passes through the winding of second take-up stand 22 to be used in next process. Specifically, the paying-off speed of the standby cable is 2m/min, the discharging speed of the steel coil raw material is 2m/min, the laser welding power is 5000w, the welding thickness is 3-5 mm, and 3.95mm is preferably selected. The preparation method of the electric submersible pump composite pipe cable mainly comprises two steps of manufacturing the isolation layer and machining and forming the steel pipe shell, wherein the outermost layer of the initial state of the electric submersible pump cable is a steel belt armor layer, and the isolation layer is arranged, so that the safety of the steel pipe shell in the machining process is effectively guaranteed, the isolation layer is designed to avoid preheating in an isolation welding mode particularly at a welding station, and the problem of scalding during welding is solved.
As shown in fig. 2, in the first step, when the isolation layer 2 is set to be a nylon tape layer, the reel of the electrical submersible pump cable in the initial state is placed on the pay-off rack 12, the starting end of the electrical submersible pump cable in the initial state forms a spare cable wrapped with the nylon tape layer by the wrapping machine 13, and the spare cable is wound and wound by the first take-up rack 14 for use in the next process. Specifically, the paying-off speed of the initial cable is 5m/min, the thickness of the nylon tape layer is set to be 0.15-2 mm, and 0.18mm is preferably selected.
As shown in fig. 3, in the first step, when the isolation layer 2 is set as a protective steel pipe, the reel of the electric submersible pump cable in the initial state is placed on the pay-off rack 12, the starting end of the electric submersible pump cable in the initial state sequentially passes through the armoring machine 15 and the traction machine 16 to form a spare cable wrapped with the protective steel pipe, and the spare cable is wound and wound by the first winding rack 14 for use in the next process. A cavity structure is arranged between the isolation layer 2 formed by the protective steel pipe and the ethylene propylene sheath 3, and specifically, the gap value of the cavity structure is 0.3-0.5 mm, so that welding scalding is prevented. The paying-off speed of the initial cable is 2m/min, and the thickness of the protective steel pipe is 1.17-1.2 mm.
As shown in fig. 4, when the isolation layer 2 is set as a protective steel tube, the electric submersible pump cable reel in an initial state is placed on the pay-off rack 12, the steel coil raw material for producing the isolation layer 2 is placed on the first steel strip placing rack 17, the starting end of the steel coil raw material is processed into a steel tube structure isolation layer which is arranged on the cable in the initial state in a set after sequentially passing through the steel tube primary forming equipment 18, the pay-off rack 12, the laser welding equipment 19, the nondestructive inspection equipment 20, the drawing equipment 21 and the tractor 16, and finally, the spare cable compounded with the steel tube structure isolation layer is wound and coiled by the second take-up rack 22 for the next process; wherein, the small-power laser welding is adopted when the steel tube passes through the laser welding equipment 19, the welding depth is controlled to be 80-100%, and the thickness of the protective steel tube is 0.2-0.5 mm. The low-power laser welding power is 1000w, the specific paying-off speed of the initial cable is 1-1.5 m/min, and the thickness of the protective steel pipe is 1.17-1.20 mm.
As shown in fig. 5, when the isolation layer 2 is a steel plate, the steel plate is bonded to the ethylene-propylene sheath 3 and is located below a laser welding position when the steel pipe shell 1 is formed by welding; during compounding, a steel coil raw material for producing the steel tube shell 1 is placed on a first steel strip placing frame 17, a cable reel of the electric submersible pump in an initial state is placed on a pay-off rack 12, and a steel strip for the isolation layer 2 is placed on a second steel strip placing frame 23; will be used for production the initiating terminal of steel coil raw materials of steel pipe shell 1 passes through preliminary former 18 of steel pipe, pay off rack 12, second steel band rack 23, laser welding equipment 19, nondestructive inspection equipment 20, drawing equipment 21, 16 post-processing complete sets of tractors and establishes in proper order steel pipe shell 1 on the reserve cable, at last, the compound finished product electric submersible pump composite pipe cable that has steel pipe shell 1 passes through the winding rolling of second take-up stand 22 to the next process use. Specifically, as shown in fig. 7, the paying-off speed of the initial cable is 2m/min, the size of the steel plate is 15mm in width and 1.17-1.2 mm in thickness, the steel plate is pressed on the ethylene-propylene sheath 3 through the guide piece 27 to form a groove and then is directly welded in, and the steel plate is directly positioned in the groove of the ethylene-propylene sheath 3 after the steel pipe shell 1 is pulled. Specifically, the guide piece 27 is positioned at the running position of the steel strip which is controlled by the steel tube primary forming equipment 18 after forming, so as to prevent deviation during welding; meanwhile, the laser groove pressing device has a new function, and can be used for pressing a groove on the surface of the steel plate for isolation, so that the residual laser height can be formed in the groove during welding.
In addition, the isolation layer is also made into a steel strip armor layer, the steel strip armor layer is made of S-shaped armor of 316L stainless steel, arc-shaped protrusions are uniformly and densely distributed on the surface of the steel strip armor layer, and the outer diameter of the steel strip armor layer is between 35.70mm and 36.50 mm. The processing method can be realized by adopting a production line as shown in figure 4.
In addition, as shown in fig. 6, the rear side of pay off rack 12, first steel band rack 17, second steel band rack 23 is provided with the tight regulation device 11, the tight regulation device comprises three rollers that highly differ, including first fixed smooth roller 24, regulating roller 25 and second fixed smooth roller 26, the regulating roller 25 passes through the rotatable connection of locating pin on the mounting bracket, from the top down equidistant a plurality of locating holes have been arranged on the mounting bracket, the locating pin inserts in the locating hole of co-altitude not to the height of regulating roller 25 in the middle of the adjustment, thereby the elasticity of quick adjustment initial cable, coil of strip raw materials, reserve cable. The height adjustment of the adjusting roller 25 can be realized by driving a power tool which vertically moves through an air cylinder, an oil cylinder or an electric cylinder and the like, the air cylinder, the oil cylinder or the electric cylinder is electrically connected with a controller of the whole equipment, the automatic operation is realized, the operation is convenient and rapid, the time and the labor are saved, and the labor intensity of workers is reduced.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (3)
1. An electric submersible pump composite pipe cable is characterized in that: the ethylene-propylene sheath comprises a steel pipe shell (1) and an isolation layer (2), wherein the isolation layer (2) wraps the outer peripheral surface of the ethylene-propylene sheath (3), the steel pipe shell (1) wraps the outer peripheral surface of the isolation layer (2), a plurality of signal cable assemblies and a plurality of injection pipes are arranged inside the isolation layer (2), and the signal cable assemblies and the injection pipes are arranged in the center inside the ethylene-propylene sheath (3) and are arranged in a staggered mode.
2. An electrical submersible pump composite umbilical as claimed in claim 1 wherein: the number of the signal cable assemblies and the number of the agent injection pipes are specifically set to be three and are arranged in a staggered manner; each signal cable assembly comprises an innermost conductor (4), a sintered film (5) is arranged on the outer side of each conductor (4), an ethylene-propylene insulating layer (6) is arranged on the outer side of each sintered film (5), an F4 film (7) is arranged on the outer side of each ethylene-propylene insulating layer (6), and a nylon cloth layer (8) is arranged on the outer side of each F4 film (7); the injection tube comprises a first injection tube (9) and two second injection tubes (10), and the diameter of the first injection tube (9) is larger than that of the second injection tube (10).
3. An electrical submersible pump composite umbilical as claimed in claim 1 wherein: the isolation layer (2) is specifically set to be a nylon belt layer, a steel plate or a protective steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766538.4U CN212276867U (en) | 2020-05-11 | 2020-05-11 | Composite pipe cable of electric submersible pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766538.4U CN212276867U (en) | 2020-05-11 | 2020-05-11 | Composite pipe cable of electric submersible pump |
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| Publication Number | Publication Date |
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| CN212276867U true CN212276867U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020766538.4U Active CN212276867U (en) | 2020-05-11 | 2020-05-11 | Composite pipe cable of electric submersible pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113113179A (en) * | 2021-03-09 | 2021-07-13 | 安徽渡江电缆集团有限公司 | Silicon rubber power cable suitable for directly laying in extremely hot regions |
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2020
- 2020-05-11 CN CN202020766538.4U patent/CN212276867U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113113179A (en) * | 2021-03-09 | 2021-07-13 | 安徽渡江电缆集团有限公司 | Silicon rubber power cable suitable for directly laying in extremely hot regions |
| CN113113179B (en) * | 2021-03-09 | 2023-02-03 | 安徽渡江电缆集团有限公司 | Silicon rubber power cable suitable for directly laying in extremely hot regions |
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